Add +,-,*,/,neg,pow to CudaMatrix

src/CudaMatrixPrivate.cu

@@ -11,6 +11,7 @@ struct PowOperator: public thrust::unary_function<float, float>{
     void setExponent(float v){
         exponent = v;
     }
+    
     __host__ __device__
     float operator()(const float& x)  {
         return powf(x, exponent);
@@ -74,12 +75,12 @@ void unaryDiv(float* in1, const float& in2, float* out, unsigned long length){
 void unaryPow(float* in1, float N,float* out, unsigned long length){
     if (N == 0.0f)
     {
-            thrust::fill(out,out+length,0);
+            thrust::fill(thrust::device,out,out+length,1);
             return;
     }
     if (N == 1.0f)
     {
-        thrust::copy(in1,in1+length,out);
+        thrust::copy(thrust::device,in1,in1+length,out);
         return;
     }
     if (N == 2.0f){